Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 11 - Control or safety systems or apparatus
Patents for F24F 11 - Control or safety systems or apparatus (29,222)
09/1980
09/16/1980CA1085636A1 Capillary retainer clip
09/09/1980US4221260 Control and measuring system for flat-individual heating/cooling and procedure for the system's calibration
09/02/1980US4220010 Loss of refrigerant and/or high discharge temperature protection for heat pumps
08/1980
08/12/1980US4217646 Automatic control system for a building
08/12/1980US4216822 Airflow distributing device for automotive air-conditioning system
08/12/1980CA1083690A1 Input control system
08/12/1980CA1083401A1 Air distribution box
08/05/1980US4215817 Devices for heating premises by the use of heat pumps and method therefor
08/05/1980US4215554 Frost control system
07/1980
07/29/1980US4215408 Temperature control of unoccupied living spaces
07/29/1980US4214626 Rejected heat air conditioning control system
07/23/1980EP0013298A2 Air conditioning control system for the interior of vehicles, especially of cars
07/23/1980EP0013287A1 Device for energy-optimising the change in temperature in buildings during non-occupied periods
07/22/1980US4213379 Emergency ventilation system for enclosed livestock confinement structures
07/08/1980US4211363 Fluidically-controlled air-conditioning system
07/08/1980US4211089 Heat pump wrong operational mode detector and control system
07/01/1980US4210957 Operating optimization for plural parallel connected chillers
07/01/1980US4210279 Temperature-responsive automatic ventilator
07/01/1980US4210278 Apparatus for supplying conditioned air at a substantially constant temperature and humidity
07/01/1980US4210277 Automatic roof ventilator
07/01/1980US4209995 Controls for room air conditioner with timer and power saver
07/01/1980US4209994 Heat pump system defrost control
06/1980
06/17/1980US4208010 Ventilator assembly
05/1980
05/27/1980US4205381 Energy conservative control of heating, ventilating, and air conditioning (HVAC) systems
05/20/1980US4203485 Multizone air terminal
05/06/1980US4201245 Dwell relay
04/1980
04/22/1980US4199101 Multiple load integrated fluid control units
04/17/1980WO1980000742A1 Damper for an air distribution system
04/08/1980US4196849 Variable volume control assembly
03/1980
03/20/1980WO1980000515A1 Two-speed automatic control of supply fans
03/19/1980EP0008779A1 Air outlet for room ventilation
03/11/1980US4193006 Multi-stage controller
03/04/1980US4191209 Air flow sensing device for air conditioning systems
02/1980
02/20/1980EP0008025A1 Control device for the flow of a gaseous medium in a conduit
02/19/1980US4189094 Control of heating and ventilation systems
02/19/1980US4189093 Apparatus for regulating the temperature of a compartment or space
02/19/1980US4189091 Furnace having a normally closed blower relay
02/12/1980US4187691 Heat pump bypass valve arrangement
02/06/1980EP0007775A1 Electric control method and apparatus for automobile air conditioning system
02/06/1980EP0007612A1 Temperature regulation apparatus for a space heated by a heat pump
02/06/1980EP0007497A1 Air conditioning system and method for heating and cooling an enclosure
02/05/1980US4187543 Temperature control of chill water and steam in heating, ventilation, air conditioning (HVAC) systems
02/05/1980US4186876 System powered damper blade assembly for use in an air conditioning system
02/05/1980US4186655 Method and apparatus for controlling forced air heating and/or cooling
02/05/1980US4186564 Air ventilation system
02/05/1980US4186563 Cooling efficiency meter circuit for an air conditioner
02/05/1980CA1071059A1 Pneumatic temperature reset differential pressure controller
01/1980
01/23/1980EP0007165A1 Air flow control valve and method of constructing it
01/22/1980US4184635 Control units for heating systems
01/22/1980US4184634 Closed loop control for automatic temperature control system
01/22/1980US4184633 Bimetal controlled actuator
01/22/1980US4184415 Air circulation apparatus
01/15/1980US4183466 Thermally actuated phase change operated control valve for heat pump systems
01/15/1980US4183397 Vehicle air conditioning device
01/15/1980US4183290 Air vent
01/09/1980EP0006120A1 Spray booth
01/08/1980US4182487 Apparatus having a temperature sensitive element for controlling a damper in a ventilation system
01/08/1980US4182486 Fluidic flow sensing and control apparatus
01/08/1980US4182484 Temperature control for variable volume air conditioning system
01/08/1980US4182180 Enthalpy comparator
12/1979
12/25/1979US4179894 Dual source heat pump
12/18/1979US4178988 Control for a combination furnace and heat pump system
12/11/1979US4177970 Valve assembly for use in an air distribution system
12/11/1979CA1067696A1 Resettable constant volume rate of flow of primary air in an induction mixing box
12/04/1979US4176785 Automatic temperature controller with night setback and operating as a function of outside air
12/04/1979US4176690 Regulator for a damper assembly
12/04/1979US4176587 Ventilating damper assembly
11/1979
11/27/1979US4175697 Thermally actuated phase change operated control valve for use in an energy conservation system
11/27/1979US4175400 Air conditioning system employing non-condensing gas with accumulator for pressurization and storage of gas
11/27/1979US4175399 Closed loop air conditioning system having automatic pressurizing means for variation of heat rate
11/27/1979US4175398 Control system for air conditioner
11/27/1979US4175397 Closed loop air conditioning system including pressurization by blockage and aspiration
11/27/1979CA1067185A1 Entry-controlled energy system
11/13/1979US4173865 Auxiliary coil arrangement
10/1979
10/30/1979US4172555 Adaptive electronic thermostat
10/23/1979US4171772 Package heat exchanger system for heating and cooling
10/23/1979US4171621 Freeze protection device in heat pump system
10/23/1979CA1064700A1 Thermostatically actuated regulator for a 4-lead air-conditioning plant
10/16/1979CA1064260A1 Roof device for air-conditioning
10/03/1979EP0004525A1 Control unit for starting operation of a conditioning equipment which is effective to influence the temperature in a building
09/1979
09/18/1979US4167966 Air conditioner blower control
09/18/1979US4167898 Illumination and ventilation system for buildings
09/04/1979CA1061880A1 Device for reducing undesired energy consumption in a room provided with heating and/or air conditioning means
08/1979
08/28/1979US4165782 Automobile air-condition indicator
08/21/1979US4165036 Multi source heat pump air conditioning system
08/14/1979US4164172 Method and apparatus for ventilating an occupied space
08/07/1979CA1059736A1 Method of producing fibre-containing building members
07/1979
07/31/1979CA1059329A1 Two stage compressor heating
07/25/1979EP0003124A1 Device for the ventilation of rooms
07/17/1979US4161211 Metal hydrides
07/17/1979CA1058724A1 Sequence controller
07/03/1979CA1057531A1 Fluid energy monitoring apparatus
06/1979
06/27/1979EP0002650A1 Temperature control of unoccupied living spaces
06/26/1979US4158990 Air distribution box
06/19/1979USRE30034 Local conditioning induction-type apparatus employing primary inlet air as a power means for controlling temperature
06/19/1979US4158383 Apparatus for coupling the components of a heat pump system
06/13/1979EP0002427A1 Apparatus and method for temperature control of chill water and steam in heating, ventilating, air conditioning (HVAC) systems
06/12/1979US4157649 Multiple compressor heat pump with coordinated defrost
05/1979
05/29/1979US4156502 Environmental condition control system
05/22/1979US4155504 Thermostatic ventilator actuator
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